On a lazy summer day Pinkie Pie decides to round up her friends for a tea party inside Twilights' library. While the languid atmosphere is soothing for the other ponies its Pinkie Pie who's feeling bored at this gathering. Things get far more interesting when a happy accident dislodges a mysterious board game with cryptic instructions. Seeing an opportunity for fun Pinkie Pie starts up a round with her friends...and sets off a chain of events that forces them to brave the wild untamed madness that is Jumanji.

When a human is thrust into Equestria on a whim, he struggles to fit in with the locals of this strange land and tries to figure out how to get home, making new friends along the way.